Question

What is carbonisation of coal in production of coal tar?

• A. Heating of coal in absence of air
• B. Heating of coal in excess of air
• C. Heating of coal while adding carbon
• D. Both B and C

Answer 1

Answer: (A)

Heating of coal in absence of air

Coal tar is a principal liquid product resulting from the carbonization of coal, i.e., the heating of coal in the absence of air, at higher temperatures.